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Apply "instanceof pattern matching" in AopProxyUtils

This commit is contained in:
Sam Brannen 2022-07-05 14:55:58 +02:00
parent d533eb4a55
commit 36cf1ac1ef
1 changed files with 8 additions and 7 deletions
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15
spring-aop/src/main/java/org/springframework/aop/framework/AopProxyUtils.java
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@ -36,7 +36,8 @@ import org.springframework.util.ObjectUtils;
/** /**
* Utility methods for AOP proxy factories. * Utility methods for AOP proxy factories.
* Mainly for internal use within the AOP framework. *
* <p>Mainly for internal use within the AOP framework.
* *
* <p>See {@link org.springframework.aop.support.AopUtils} for a collection of * <p>See {@link org.springframework.aop.support.AopUtils} for a collection of
* generic AOP utility methods which do not depend on AOP framework internals. * generic AOP utility methods which do not depend on AOP framework internals.
@ -59,10 +60,10 @@ public abstract class AopProxyUtils {
*/ */
@Nullable @Nullable
public static Object getSingletonTarget(Object candidate) { public static Object getSingletonTarget(Object candidate) {
if (candidate instanceof Advised) { if (candidate instanceof Advised advised) {
TargetSource targetSource = ((Advised) candidate).getTargetSource(); TargetSource targetSource = advised.getTargetSource();
if (targetSource instanceof SingletonTargetSource) { if (targetSource instanceof SingletonTargetSource singleTargetSource) {
return ((SingletonTargetSource) targetSource).getTarget(); return singleTargetSource.getTarget();
} }
} }
return null; return null;
@ -82,8 +83,8 @@ public abstract class AopProxyUtils {
Assert.notNull(candidate, "Candidate object must not be null"); Assert.notNull(candidate, "Candidate object must not be null");
Object current = candidate; Object current = candidate;
Class<?> result = null; Class<?> result = null;
while (current instanceof TargetClassAware) { while (current instanceof TargetClassAware targetClassAware) {
result = ((TargetClassAware) current).getTargetClass(); result = targetClassAware.getTargetClass();
current = getSingletonTarget(current); current = getSingletonTarget(current);
} }
if (result == null) { if (result == null) {